Perhaps you should try some spelling variations:
information search » information sharing, information service, information sources
d1 communication » de communication, 1 communication, 4.1 communication
technology 2 » technology _, technology 1, technology 3
4 developing » 3 developing
developing a » developing _
search case » starch case, research case, search scale
a afrique » l afrique, en afrique
case d1 » case 1, case d, case 11
costs 4 » costs _, costs a, costs 4.2

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology 2 information search case d1 communication costs 4 developing a afrique.*.